Mandarin translation available - 用普通话阅读这篇文章: WeChat I struggled to learn machine learning. I was used to variational tricks, MCMC samplers, and discreet Taylor expansions from years of physics training. Now the concepts were mixed up. The intuitive models of physical systems were replaced by abstract models of ‘data’ and amechanical patterns of cause and effect. I had to fit these fields together.